Properties of o-phenylenediamine

Thermophysical properties for o-phenylenediamine (CAS: 95-54-5). Use the selector below to view properties in different unit systems.

Calculation Conditions

The following state-dependent properties were calculated at these standard conditions.

Temperature

25 °C

Pressure

1.01325 bar

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Identification

  • Atoms
    C: 6, H: 8, N: 2
  • CAS
    95-54-5
  • Formula
    C6H8N2
  • ID
    95-54-5
  • InChI
    C6H8N2/c7-5-3-1-2-4-6(5)8/h1-4H,7-8H2
  • InChI Key
    GEYOCULIXLDCMW-UHFFFAOYSA-N
  • IUPAC Name
    benzene-1,2-diamine
  • Molecular Weight (kg)
    108.141
  • Phase
    s
  • PubChem ID
    7243
  • SMILES
    C1=CC=C(C(=C1)N)N
  • Synonyms

Physical Properties

  • Acentric factor
    0.539
  • Critical pressure (bar)
    51.8
  • Critical temperature (°C)
    507.85
  • Critical volume (m³/kmol)
    0.315
  • Dipole moment
  • Melting temperature (°C)
    101.75
  • Normal boiling temperature (°C)
    257

State-dependent Properties

  • API gravity
    -2.59244
  • Compressibility factor
    0.00366673
  • Density (kg/m³)
    1205.48
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    694.629
  • Enthalpy of vaporization (molar) (kJ/kmol)
    7.5118e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
  • Kinematic viscosity
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    138.169
  • Molar volume (m³/kmol)
    0.089708
  • Parachor
    4.9094e-5
  • Poynting correction factor
    1.00406
  • Prandtl number
  • Saturation pressure (bar)
    7.1609e-6
  • Saturation temperature (°C)
    256.988
  • Solubility parameter
    2.7078e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.20667
  • Specific heat capacity (kJ/kg·K)
    1.27768
  • Surface tension
    0.0593331
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0144288
  • Upper flammability limit
    0.083868

Environmental Properties

  • Global warming potential
  • Ozone depletion potential